Description
Published: | Vol. 60, no. 141 (Feb. 1987)- |
Item Description: | Title from cover. |
Physical Description: | v. ; 23 cm. Also available via electronic access. |
Publication Frequency: | Three no. a year |
ISSN: | 0950-3471 0041-9761 |
Additional Physical Form available Note: | Also available via electronic access. |